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United States Patent | 5,004,269 |
Pelt | April 2, 1991 |
A mobile fluid storage tank having a pair of generally trapezoidally-shaped, substantially parallel side walls, a bottom wall, a back wall and a forward wall extending substantially parallel to the back wall. A stepped top wall slopes downwardly from a location spaced forwardly from near the back wall toward the forward wall, and defines a plurality of transversely extending steps which individually include a substantially horizontally extending step surface which extends substantially parallel to the bottom wall. A plurality of longitudinally extending rub bars or diverter rods extend from a position near the forward wall rearwardly across the edges of the steps to divert and deflect limbs and the like away from the steps.
Inventors: | Pelt; J. Eugene (Ardmore, OK) |
Assignee: | Spade leasing, Inc. (Springer, OK) |
Appl. No.: | 444393 |
Filed: | December 1, 1989 |
Current U.S. Class: | 280/837; 280/839; 296/210 |
Intern'l Class: | B60P 003/22 |
Field of Search: | 296/181,210 280/163,831,832,837,838,839 D12/95 220/1 B,1 V,1.5,5 A,DIG. 24 52/18,45,56,57 105/377,379,430 |
D138245 | Mar., 1944 | Bradley | D12/95. |
Des253051 | Oct., 1979 | Pletcher | D12/95. |
1268588 | Jun., 1918 | Lichenstein | 105/377. |
3001331 | Sep., 1961 | Brunton | 52/18. |
3342523 | Sep., 1967 | Lutgen | 220/1. |
3678867 | Jul., 1972 | Brinks et al. | 105/377. |
4114716 | Sep., 1978 | Sanders | 280/163. |
4318549 | Mar., 1982 | Pletcher | D12/97. |
Foreign Patent Documents | |||
1434865 | Feb., 1969 | DE | 220/5. |